Repair of electric power devices of cars Volkswagen Golf 4 1997-2004

Battery Care Rules
If you are going to keep the battery working for as long as possible, observe the following rules. Turn off all electrical appliances in the vehicle when the engine is not...

Battery check
Checking the density of the electrolyte in the battery must be done every 3 months in order to determine the load capacity of the battery. The check is made by a density meter....

Accumulator charging
The battery must be charged when the battery is removed from the vehicle. Charge the battery with a charging current equal to 0.1 of the battery capacity and until the density of...

Removing the battery
Location of the fuse holder above the battery 1 - fastening of a positive wire; 2 - electrical connector; A - nuts The location of the fastening of the clamp of the conductive...

Installing the battery
Connecting a hose to remove gases from the battery generated during its operation The hose designed to remove gases released during battery operation is shown by an arrow. Battery...

Notes on batteries with vent plugs
A battery that needs a plastic cover on top to cover the battery plugs If possible, install only an accumulator with a centralized release of gases. On the battery shown in the...

Battery Charging System
If the battery charging control lamp does not light when the ignition is turned on, check the wiring connection to the generator and the integrity of the control lamp. If the lamp...

Description of the generator
Alternators are installed in cars. Depending on the model and the electrical equipment installed on the vehicle, generators of various capacities can be installed. When installing...

Removal and installation of the generator
Generator 1 - V-ribbed belt; 2 - generator; 3 - voltage regulator; 4 - screws; 5 - protective cover; 6 - screws; 7 - bolts 50, Nm; 8 - bolts 50, Nm; 9 - bracket; 10 - tension...

Replacement of generator brushes and voltage regulator
The voltage regulator and alternator brushes can be replaced without removing the alternator from the engine, but the upper part of the intake manifold must be removed. Removing...

Main generator malfunctions
CAUSE ELIMINATION METHOD When the ignition is turned on, the battery charging indicator lamp does not light up Low battery Check the voltage and, if necessary, charge the battery...

Description of the starter
The starter is a mixed-excitation DC motor with an electromagnetic traction relay. The starter consists of a housing or a stator with excitation windings, an armature with an...

Engine start system
If the starter does not work in the key position "engine starting", the following reasons are possible: battery is defective; open circuit between the ignition switch, traction...

Removal and installation of a starter
Removing 1. Switch off ignition and remove a wire of weight from the accumulator. 2. Apply the handbrake, then raise the front of the vehicle and support it on stands. 3. Remove...

Check, removal and installation of the traction relay of a starter
Checking and removing 1. Remove the starter. 2. Using additional heavy gauge wires, connect the starter housing to the negative battery terminal and connect the positive battery...

The main malfunctions of the starter
CAUSE ELIMINATION METHOD Starter not working Low battery Charge your battery When terminals 30 and 50 are connected, the starter starts to work Repair the starter power circuit...

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Power electrical devices of car Volkswagen Golf 4